| 主题：Wiltonfaw 姓名：Wiltonfaw 发布时间：2026-02-13 09:09 |
| 内容：A seabed of shipwrecks
rutorforum24 to
The Great Lakes have the most shipwrecks per square mile among all bodies of water in the world, largely due to the high shipping traffic in the 19th century and the lake’s volatile weather. Researchers know about the wrecks because reporting any commercial ship that sails on the lakes is required; from the early 19th century to the 20th century, about 40,000 ships sailed t |
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